Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Iwona Steplewska

Individual provider Registered Dietitian · NPI 1922284835

Iwona Steplewska is a Registered Dietitian in Seattle, Washington. Licensed in Arizona and Washington. Registered with an NPI since 2008.

Licensed in
AZ, WA
In the registry since
2008
Specialties on file
2

Practice location Address checks out

325 9th Ave Box 359790
Seattle, WA 98104-2420
Phone: (206) 744-8540
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence DI00001830 (WA)
Registered Dietitian Taxonomy 133V00000X · Licence 931099 (AZ)

Record details

NPI number1922284835
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 10, 2008
Last updated in NPPESOctober 7, 2009
Mailing address325 9th Ave, Box 359790, Seattle, WA 98104-2420

Other providers in Seattle